Information Assurance Lead Security Clearance

Position: Information Assurance Lead with Security Clearance
R
- Description Leidos is seeking a highly qualified candidate for the Lead Information Assurance position for the Integrated Defensive Cyber Systems Contract. The ideal candidate will have

Experience with the DoD Assessment & Authorization (A&A) system, RMF Packages, STIGs and ACAS.. This position is located near Lackland Air Force Base; all work is onsite.

Primary Responsibilities:

* Serve as the IA lead and primary point of contact for system owners, developers, ISSOs, ISSMs, and government stakeholders on all cybersecurity compliance matters.
* Create and maintain processes and procedures for use by members of the ISSO team.
* Support the ISSO Team Lead in conducting lessons learned activities to improve the overall productivity and efficiency of the ISSO team.
* Lead all phases of the Risk Management Framework (RMF) process, including system categorization, control selection, implementation, assessment, authorization, and continuous monitoring.
* Develop, maintain, and submit complete security authorization packages (System Security Plans, POA&Ms, SARs, etc.) for systems seeking Authority to Operate (ATO).
* Ensure security controls (NIST 800-53) are correctly implemented and documented. Coordinate assessments with Security Control Assessors (SCAs) to validate compliance.
* Establish and manage continuous monitoring strategies, including vulnerability scanning, audit log reviews, and control revalidation.
* Interpret and enforce DoD, DISA, and NIST cybersecurity policies, ensuring system compliance with STIGs, SRGs, and other applicable mandates.
* Oversee routine security scans using tools like ACAS (Tenable.sc/Nessus), SCAP Compliance Checker, and HBSS. Manage findings and coordinate remediation.
* Collaborate with cybersecurity operations teams in the development and testing of incident response plans and provide technical support during incidents.
* Prepare security status reports, metrics dashboards, and briefings for leadership.
* Guide systems through the A&A process to obtain or maintain ATOs in accordance with DoD RMF, component-specific requirements, and document in eMASS.
* Support internal and external audits, including CCRI (Command Cyber Readiness Inspections), by ensuring systems are audit-ready and documentation is current.
* Develop and update Assessment & Authorization (A&A) documentation (Body of Evidence) for management and continuous monitoring of information systems.
* Maintain 800-53 Control Statues and keep STIGs updated in eMASS.

Basic Qualifications:

* Bachelors degree and 12+ years of prior relevant experience, additional years of experience will be accepted in lieu of a degree.
* DoD 8570/8140 IAT level II or higher certification such as CompTIA Security+ CE, ISC2 SSCP, SANS GSEC.
* Minimum of 3 years of experience performing vulnerability scans using Assured Compliance Assessment Solution (ACAS) and STIG assessment tools such as Evaluate-STIG or SCAP.
* Familiarity and experience with the Department of Defense (DoD) and tools, systems, and reporting mechanisms and requirements for certification and accreditation (C&A).
* Experience developing and reviewing security concept of operations, systems security plans, security risk assessments, plan of action and milestones (POA&M), contingency plans, configuration management plans and processing artifacts in XACTA or eMASS.
* Must possess an active Secret clearance and ability to obtain TS/SCI clearance is required to be considered.

Preferred Qualifications:

* CISSP
* USAF cybersecurity experience or DoD equivalent.
* TS/SCI If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting:
June 4, 2026 For U.S. Positions:
While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range:
Pay Range $ - $ The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit  . Pay and…